Fig. 2From: Natural course of talar avascular necrosis during short-term follow-up and factors associated with Disease progressionA: A shoulder lesion of talar AVN in a 65-year-old female shows structural collapse during 4 months of follow-up. B: A non-shoulder lesion of talar AVN in a 54-year-old male remained stable without collapse or arthritic change during 44 months of follow-upBack to article page